CAT SCRATCHING POST - Replacement Sisal Rope: 3/8" x 50' EASY TO USE: Simply remove the old frayed scratch tattered rope from your cats existing scratching post and replace it with your fresh new sisal rope! SIMPLE: Takes no more than a few of your favorite television shows to complete! CATS LOVE IT: Your cat will love the new rope! Hours of fun start the minute you start unraveling the old rope! NATURAL SISAL FIBER: Cats love the smell of new sisal! GUARANTEED FUN: Remember how much your cat loved scratching on their post when it was new? This is like getting them a brand new post for half the price!